Combination mask and breathing apparatus adaptor



FIG. 1 is a top perspective view of a combination mask and breathing apparatus adaptor showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, the side opposite being a mirror of that shown;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a combination mask and breathing apparatus adaptor, as shown and described. 